Detroit, Tampa Bay, Colorado, Cubs and others.

This week, the column focuses on consistency for relievers by noting the highest percentage of clean appearance conversions.

Just as it sounds, a look at some AL pens with some recent movement and more Mets shuffling.

This week, the top 35 skill sets so far in 2014.

Toronto projections versus results, plus Astros, Reds and Mets.

Evaluating COL, CHW, CLE and TAM pens.

A look at how results do not always match skills in April.

A look at how to use leverage index to evaluate DET, OAK, CHC, NYM and WAS

A cross-section of many pens, featuring BOS, CHC, NYM and NYY.

Some interesting pens: CHW, CIN, CLE, DET, MIL, OAK and TOR

BAL, CHC, HOU, TEX, NYM pens, now that March has come to an end.